There is no description at this point.
rule win_protonbot_auto { meta: author = "Felix Bilstein - yara-signator at cocacoding dot com" date = "2022-04-08" version = "1" description = "Detects win.protonbot." info = "autogenerated rule brought to you by yara-signator" tool = "yara-signator v0.6.0" signator_config = "callsandjumps;datarefs;binvalue" malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.protonbot" malpedia_rule_date = "20220405" malpedia_hash = "ecd38294bd47d5589be5cd5490dc8bb4804afc2a" malpedia_version = "20220411" malpedia_license = "CC BY-SA 4.0" malpedia_sharing = "TLP:WHITE" /* DISCLAIMER * The strings used in this rule have been automatically selected from the * disassembly of memory dumps and unpacked files, using YARA-Signator. * The code and documentation is published here: * https://github.com/fxb-cocacoding/yara-signator * As Malpedia is used as data source, please note that for a given * number of families, only single samples are documented. * This likely impacts the degree of generalization these rules will offer. * Take the described generation method also into consideration when you * apply the rules in your use cases and assign them confidence levels. */ strings: $sequence_0 = { 56 0f1f440000 6a06 6a01 6a02 } // n = 5, score = 400 // 56 | push esi // 0f1f440000 | nop dword ptr [eax + eax] // 6a06 | push 6 // 6a01 | push 1 // 6a02 | push 2 $sequence_1 = { 8b55e8 83fe10 c78550ecffff70020000 0f43c7 } // n = 4, score = 400 // 8b55e8 | mov edx, dword ptr [ebp - 0x18] // 83fe10 | cmp esi, 0x10 // c78550ecffff70020000 | mov dword ptr [ebp - 0x13b0], 0x270 // 0f43c7 | cmovae eax, edi $sequence_2 = { 8d4d20 6a00 0f434d20 8d4550 837d6410 6800000080 0f434550 } // n = 7, score = 400 // 8d4d20 | lea ecx, dword ptr [ebp + 0x20] // 6a00 | push 0 // 0f434d20 | cmovae ecx, dword ptr [ebp + 0x20] // 8d4550 | lea eax, dword ptr [ebp + 0x50] // 837d6410 | cmp dword ptr [ebp + 0x64], 0x10 // 6800000080 | push 0x80000000 // 0f434550 | cmovae eax, dword ptr [ebp + 0x50] $sequence_3 = { c785b8fdffff00000000 0f1000 0f1185a4fdffff f30f7e4010 } // n = 4, score = 400 // c785b8fdffff00000000 | mov dword ptr [ebp - 0x248], 0 // 0f1000 | movups xmm0, xmmword ptr [eax] // 0f1185a4fdffff | movups xmmword ptr [ebp - 0x25c], xmm0 // f30f7e4010 | movq xmm0, qword ptr [eax + 0x10] $sequence_4 = { 83f8ff 7412 b001 5e 8b4c2408 } // n = 5, score = 400 // 83f8ff | cmp eax, -1 // 7412 | je 0x14 // b001 | mov al, 1 // 5e | pop esi // 8b4c2408 | mov ecx, dword ptr [esp + 8] $sequence_5 = { e8???????? ffb588fdffff e8???????? 83c40c 8d85d8feffff 6a00 6a00 } // n = 7, score = 400 // e8???????? | // ffb588fdffff | push dword ptr [ebp - 0x278] // e8???????? | // 83c40c | add esp, 0xc // 8d85d8feffff | lea eax, dword ptr [ebp - 0x128] // 6a00 | push 0 // 6a00 | push 0 $sequence_6 = { 740e 6a05 ffd3 85ff 8bbdf4fffeff 7f8d } // n = 6, score = 400 // 740e | je 0x10 // 6a05 | push 5 // ffd3 | call ebx // 85ff | test edi, edi // 8bbdf4fffeff | mov edi, dword ptr [ebp - 0x1000c] // 7f8d | jg 0xffffff8f $sequence_7 = { 8d95d4feffff c785b4feffff00000000 0f4395d4feffff 8bca c785b8feffff0f000000 c685a4feffff00 8d7101 } // n = 7, score = 400 // 8d95d4feffff | lea edx, dword ptr [ebp - 0x12c] // c785b4feffff00000000 | mov dword ptr [ebp - 0x14c], 0 // 0f4395d4feffff | cmovae edx, dword ptr [ebp - 0x12c] // 8bca | mov ecx, edx // c785b8feffff0f000000 | mov dword ptr [ebp - 0x148], 0xf // c685a4feffff00 | mov byte ptr [ebp - 0x15c], 0 // 8d7101 | lea esi, dword ptr [ecx + 1] $sequence_8 = { 33c2 69d06589076c 03d1 89948d54ecffff 41 81f970020000 7ce1 } // n = 7, score = 400 // 33c2 | xor eax, edx // 69d06589076c | imul edx, eax, 0x6c078965 // 03d1 | add edx, ecx // 89948d54ecffff | mov dword ptr [ebp + ecx*4 - 0x13ac], edx // 41 | inc ecx // 81f970020000 | cmp ecx, 0x270 // 7ce1 | jl 0xffffffe3 $sequence_9 = { 837e1410 8955a0 8bc6 7202 8b06 8d1438 } // n = 6, score = 400 // 837e1410 | cmp dword ptr [esi + 0x14], 0x10 // 8955a0 | mov dword ptr [ebp - 0x60], edx // 8bc6 | mov eax, esi // 7202 | jb 4 // 8b06 | mov eax, dword ptr [esi] // 8d1438 | lea edx, dword ptr [eax + edi] condition: 7 of them and filesize < 1073152 }
If your designated proposal does not fit in any other category, feel free to write a free-text in the comment field below.
Please propose all changes regarding references on the Malpedia library page
Your suggestion will be reviewed before being published. Thank you for contributing!
YYYY-MM-DD
YYYY-MM
YYYY